Actuator Driving Apparatus Linearity Compensation

The patent implements a feedback mechanism where the actuator's position is detected by a position detector and fed back to a controller. The controller compares the detected position with the target position and adjusts the driving current accordingly. This closed-loop feedback system enables accurate detection of non-linearity characteristics and compensates for deviations, thereby improving both measurement precision and reliability of linearity characteristics.

The patent replaces direct mechanical measurement methods with a combination of position detection and computational processing. Instead of relying solely on mechanical indicators of actuator behavior, the system uses electronic position sensors and software-based linearity compensation algorithms to detect and correct non-linearity, improving detection precision without compromising reliability.

The patent designs the controller to perform multiple functions: it generates driving signals for the actuator, detects position through integrated sensors, processes feedback signals, and implements linearity compensation algorithms. By consolidating these functions into a single multi-functional control unit, the system achieves high control precision while minimizing the increase in device complexity.

The patent introduces a position detector as an intermediary component that bridges the mechanical actuator and the electronic control system. This intermediary converts mechanical position into electrical signals that can be processed by the controller, enabling precise feedback control without requiring direct complex mechanical-electrical coupling, thus balancing precision and complexity.